<template>
  <div>
    <div class="demo-upload-list" v-for="item in uploadList">
      <template v-if="item.status === 'finished'">
        <img :src="item.url">
        <div class="demo-upload-list-cover">
          <Icon type="ios-eye-outline" @click.native="handleView(item.name)"></Icon>
          <Icon type="ios-trash-outline" @click.native="handleRemove(item)"></Icon>
        </div>
      </template>
      <template v-else>
        <Progress v-if="item.showProgress" :percent="item.percentage" hide-info></Progress>
      </template>
    </div>
    <Upload
      ref="upload"
      :show-upload-list="false"
      :default-file-list="defaultList"
      :on-success="handleSuccess"
      :format="['jpg','jpeg','png']"
      :max-size="2048"
      :on-format-error="handleFormatError"
      :on-exceeded-size="handleMaxSize"
      :before-upload="handleBeforeUpload"
      multiple
      type="drag"
      action="//jsonplaceholder.typicode.com/posts/"
      style="display: inline-block;width:58px;"
    >
      <div style="width: 58px;height:58px;line-height: 58px;">
        <Icon type="ios-camera" size="20"></Icon>
      </div>
    </Upload>
    <Modal title="View Image" v-model="visible">
      <img :src="imgName" v-if="visible" style="width: 100%">
    </Modal>
  </div>
</template>
<script>
export default {
  props: ["value"],
  data() {
    return {
      defaultList: [
        {
          name: "bc7521e033abdd1e92222d733590f104",
          url:
            "https://o5wwk8baw.qnssl.com/bc7521e033abdd1e92222d733590f104/avatar"
        }
      ],
      imgName: "",
      visible: false,
      uploadList: []
    };
  },
  //watch: {
  //  uploadList(v) {
  //    debugger;
  //    if(this.$refs.upload.fileList.length>0){
  //      debugger;
  //      console.log(this.$refs.upload.fileList);
  //      this.$emit("input", this.$refs.upload.fileList[0].url);
  //    }
  //    //this.$emit("input", v);
  //  }
  //},
  methods: {
    handleView(name) {
      this.imgName = name;
      this.visible = true;
    },
    handleRemove(file) {
      const fileList = this.$refs.upload.fileList;
      this.$refs.upload.fileList.splice(fileList.indexOf(file), 1);
      this.$emit("input", '');
    },
    handleSuccess(res, file,fileList) {
      file.url =
        "https://o5wwk8baw.qnssl.com/7eb99afb9d5f317c912f08b5212fd69a/avatar";
      file.name = "https://o5wwk8baw.qnssl.com/7eb99afb9d5f317c912f08b5212fd69a/avatar";
      this.$emit("input", fileList[0].url);
      debugger;
    },
    handleFormatError(file) {
      this.$Notice.warning({
        title: "The file format is incorrect",
        desc:
          "File format of " +
          file.name +
          " is incorrect, please select jpg or png."
      });
    },
    handleMaxSize(file) {
      this.$Notice.warning({
        title: "Exceeding file size limit",
        desc: "File  " + file.name + " is too large, no more than 2M."
      });
    },
    handleBeforeUpload() {
      //const check = this.uploadList.length < 5;
      //if (!check) {
      //  this.$Notice.warning({
      //    title: "Up to five pictures can be uploaded."
      //  });
      //}
      //return check;
      this.$refs.upload.fileList.splice(0, 1);
    }
  },
  mounted() {
    this.uploadList = this.$refs.upload.fileList;
  },
  created() {
      
    var List = new Array();
    if(this.value!=''){
      var obj = new Object();
      obj.name = this.value;
      obj.url = this.value;
      List.push(obj);
    }
    this.defaultList = List;
  }
};
</script>
<style>
.demo-upload-list {
  display: inline-block;
  width: 60px;
  height: 60px;
  text-align: center;
  line-height: 60px;
  border: 1px solid transparent;
  border-radius: 4px;
  overflow: hidden;
  background: #fff;
  position: relative;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
  margin-right: 4px;
}
.demo-upload-list img {
  width: 100%;
  height: 100%;
}
.demo-upload-list-cover {
  display: none;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.6);
}
.demo-upload-list:hover .demo-upload-list-cover {
  display: block;
}
.demo-upload-list-cover i {
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  margin: 0 2px;
}
</style>
